CN220004834U - Concrete aggregate sieving mechanism - Google Patents
Concrete aggregate sieving mechanism Download PDFInfo
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- CN220004834U CN220004834U CN202321100199.6U CN202321100199U CN220004834U CN 220004834 U CN220004834 U CN 220004834U CN 202321100199 U CN202321100199 U CN 202321100199U CN 220004834 U CN220004834 U CN 220004834U
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- screening
- frame
- secondary screen
- screen
- screening frame
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- 239000004567 concrete Substances 0.000 title claims abstract description 28
- 238000007873 sieving Methods 0.000 title claims description 8
- 238000012216 screening Methods 0.000 claims abstract description 80
- 238000004140 cleaning Methods 0.000 claims description 20
- 239000004744 fabric Substances 0.000 claims description 19
- 230000003028 elevating effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000004576 sand Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000004568 cement Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Abstract
The utility model relates to the technical field of concrete aggregate screening, and provides a concrete aggregate screening device which comprises a screening frame and a storage tank, wherein one side of the storage tank is fixedly connected with a supporting frame, the supporting frame is fixedly arranged at the top of the screening frame, a grading screening component is arranged on the screening frame and comprises a primary screen and a secondary screen, a first receiving hopper is arranged below the screening frame, a lifting mechanism is arranged below the screening frame and comprises four hydraulic cylinders, the four hydraulic cylinders are distributed at four corners of the screening frame in a rectangular array.
Description
Technical Field
The utility model relates to the technical field of concrete aggregate screening, in particular to a concrete aggregate screening device.
Background
The concrete is one of the most commonly used building materials, commercial concrete is used for most of the existing building construction, the usage amount of the commercial concrete is in the range of thousands of tons, which is twice the sum of the usage amount of steel, wood, plastic and aluminum, the concrete is a composite material formed by bonding fine aggregate and coarse aggregate with cement and hardening the fine aggregate with cement for a period of time, the concrete aggregate is granular loose materials which play a role in framework or filling in the concrete, the coarse aggregate and the fine aggregate are divided, the aggregate with the grain size of more than 4.75mm is called coarse aggregate, pebbles, broken stone and the like are commonly used, the aggregate with the grain size of less than 4.75mm is called fine aggregate, natural sand, artificial sand and the like are commonly mixed together, and the aggregates with different diameters are required to be screened during the use.
The prior art patent with publication number CN 217888674U discloses a heavy concrete aggregate sieving mechanism, and it includes screening frame, storage tank, first material receiving box, second material receiving box, screening case, screen cloth and guide box, be provided with the fixed block on the screening case, slide on the fixed block and be provided with be used for right the shielding plate that the open end of guide box carries out the shutoff and be used for restricting the locking mechanism that the shielding plate slided, be provided with on the screening frame and be used for the drive screening case wobbling climbing mechanism. The utility model has the effect of improving the concrete aggregate screening effect to be lower.
The above-mentioned patent still has some shortages, to fine aggregate such as natural sand and artifical sand, the adhesion is easy on conveyer surface, causes the waste of fine aggregate, in addition, when using the sieve to fight the sieve, the leak opening of seting up on the sieve is blocked up easily, makes the material rate of screening greatly reduced, and the aggregate of screening out does not carry out the classification moreover for some are great be difficult to by the aggregate mix of reutilization in the aggregate of screening out, have increased the degree of difficulty of reutilization.
Disclosure of Invention
The utility model provides a method for solving the problems that in the related art, for fine aggregates such as natural sand, artificial sand and the like, the fine aggregates are easy to adhere to the surface of a conveying device, so that the fine aggregates are wasted, in addition, when a sieve bucket is used for sieving, the leak holes formed in the sieve bucket are easy to block, so that the sieving material rate is greatly reduced, the sieved aggregates are not classified, and some aggregates which are difficult to be reused are mixed in the sieved aggregates, so that the difficulty of reuse is increased.
The technical scheme of the utility model is as follows:
the utility model provides a concrete aggregate sieving mechanism, includes screening frame and storage tank, one side fixedly connected with support frame of storage tank, support frame fixed mounting is in the top of screening frame, be provided with hierarchical screening subassembly on the screening frame, hierarchical screening subassembly includes primary screen cloth and secondary screen cloth, the below of screening frame is provided with first hopper that connects, the below of screening frame is provided with elevating system, elevating system includes four pneumatic cylinders, four pneumatic cylinders are rectangular array and distribute four angles at the screening frame, one side of screening frame is provided with the clearance subassembly.
Preferably, the cleaning component comprises a fixing frame, the fixing frame is fixedly arranged on the screening frame, two supporting rods are arranged on the fixing frame and are respectively positioned on the upper side and the lower side of the secondary screen, a combining rod is fixedly connected to the supporting rods, a cleaning block is fixedly connected to the combining rod, and the top end of the cleaning block is subjected to rounding treatment.
Preferably, the cleaning blocks are provided with a plurality of groups, and the arrays are distributed on the merging rod, and the top ends of the cleaning blocks are respectively contacted with the bottom ends of the primary screen and the secondary screen.
Preferably, the screening frame is provided with two guide plates, the height of the two guide plates is respectively matched with the heights of the primary screen and the secondary screen, one sides of the primary screen and the secondary screen, which are close to the guide plates, are respectively provided with a movable plate, slots are formed in the primary screen and the secondary screen, the movable plates are located in the slots, and one side of the screening frame, which is close to the guide plates, is provided with a grading receiving hopper.
Preferably, the screening frame is fixedly connected with a protruding plate, the protruding plate is movably connected with an eccentric wheel, the protruding plate is provided with a driving motor, the driving motor is used for driving the eccentric wheel, and the eccentric wheel is movably provided with an eccentric shaft.
Preferably, one end of the eccentric shaft away from the eccentric wheel is connected with a secondary screen, and the secondary screen is connected with the screening frame in a sliding manner.
Preferably, parallel connecting pieces are symmetrically arranged between the primary screen and the secondary screen, each parallel connecting piece comprises two connecting rods, the two connecting rods are parallel to each other, connecting shafts are symmetrically arranged on the connecting rods, and the connecting rods are respectively connected with the primary screen and the secondary screen in a sliding mode through the connecting shafts. And the parallel connecting piece is used for ensuring that the primary screen and the secondary screen are always parallel, so that the primary screen can reciprocate simultaneously.
Preferably, the top that secondary screen cloth is close to protruding board one side fixedly connected with increases the frame, increase fixedly connected with drive spring between frame and the primary screen cloth, be parallel to each other between primary screen cloth and the secondary screen cloth, the mesh of primary screen cloth and secondary screen cloth reduces in proper order.
The working principle and the beneficial effects of the utility model are as follows:
1. according to the utility model, the two hydraulic cylinders close to one side of the guide plate are contracted, so that the screening frame is inclined, then the movable plate is pulled out of the slot, and then aggregates on the primary screen and the secondary screen fall into different grading receiving hoppers through the guide plate, so that grading of the aggregates is realized, and secondary recycling is facilitated;
2. according to the utility model, the cleaning assembly is arranged, so that the primary screen and the secondary screen are continuously contacted with the cleaning block during screening, thereby jacking up the fine aggregate adhered to the primary screen and the secondary screen and the coarse aggregate clamped in the meshes, avoiding the mesh blockage and greatly improving the screening efficiency.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic structural view of a concrete aggregate screening device according to the present utility model;
FIG. 2 is a schematic view of a part of the structure of the present utility model;
FIG. 3 is a schematic view of a hierarchical screening assembly of the present utility model;
FIG. 4 is a schematic view of the primary screen of the present utility model;
in the figure: 1. a screening frame; 2. a storage tank; 3. a support frame; 4. a primary screen; 5. a secondary screen; 6. a first receiving hopper; 8. a hydraulic cylinder; 9. a fixing frame; 10. a support rod; 11. a merge bar; 12. cleaning the block; 13. a deflector; 14. a movable plate; 15. a slot; 16. grading receiving hoppers; 17. a protruding plate; 18. an eccentric wheel; 19. a driving motor; 20. an eccentric shaft; 21. a connecting rod; 22. a connecting shaft; 23. a heightening frame; 24. and a transmission spring.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a concrete aggregate sieving mechanism, includes screening frame 1 and storage tank 2, one side fixedly connected with support frame 3 of storage tank 2, support frame 3 fixed mounting is in the top of screening frame 1, be provided with hierarchical screening subassembly on the screening frame 1, hierarchical screening subassembly includes primary screen cloth 4 and secondary screen cloth 5, the below of screening frame 1 is provided with first hopper 6 that connects, the below of screening frame 1 is provided with elevating system, elevating system includes four pneumatic cylinders 8, four pneumatic cylinders 8 are rectangular array and distribute at four angles of screening frame 1, one side of screening frame 1 is provided with the clearance subassembly. The cleaning component comprises a fixing frame 9, the fixing frame 9 is fixedly arranged on the screening frame 1, two supporting rods 10 are arranged on the fixing frame 9 and are respectively located on the upper side and the lower side of the secondary screen 5, a combining rod 11 is fixedly connected to the supporting rods 10, a cleaning block 12 is fixedly connected to the combining rod 11, and the top end of the cleaning block 12 is subjected to rounding treatment. The cleaning blocks 12 are provided with a plurality of groups and are distributed on the merging rod 11 in an array, and the top ends of the cleaning blocks 12 are respectively contacted with the bottom ends of the primary screen 4 and the secondary screen 5. Be provided with guide plate 13 on screening frame 1, guide plate 13 is provided with two, two guide plate 13 highly suits with the height of primary screen cloth 4 and secondary screen cloth 5 respectively, primary screen cloth 4 and secondary screen cloth 5 are close to the one side of guide plate 13 all are provided with fly leaf 14, slot 15 has been seted up on primary screen cloth 4 and the secondary screen cloth 5, fly leaf 14 is located slot 15, screening frame 1 is close to one side of guide plate 13 and is provided with hierarchical hopper 16 that connects. The screening frame 1 is fixedly connected with a protruding plate 17, the protruding plate 17 is movably connected with an eccentric wheel 18, the protruding plate 17 is provided with a driving motor 19, the driving motor 19 is used for driving the eccentric wheel 18, the eccentric wheel 18 is movably provided with an eccentric shaft 20, and one end of the eccentric shaft 20 away from the eccentric wheel 18 is connected with the secondary screen 5. The secondary screen 5 is in sliding connection with the screening frame 1. The parallel connecting pieces are symmetrically arranged between the primary screen 4 and the secondary screen 5 and comprise two connecting rods 21, the two connecting rods 21 are parallel to each other, connecting shafts 22 are symmetrically arranged on the connecting rods 21, and the connecting rods 21 are respectively in sliding connection with the primary screen 4 and the secondary screen 5 through the connecting shafts 22. By means of the parallel connection, the primary screen 4 and the secondary screen 5 are guaranteed to be always parallel, and the primary screen 4 can reciprocate at the same time. The top of the side of the secondary screen 5, which is close to the protruding plate 17, is fixedly connected with an heightening frame 23, a transmission spring 24 is fixedly connected between the heightening frame 23 and the primary screen 4, the primary screen 4 and the secondary screen 5 are parallel to each other, and meshes of the primary screen 4 and the secondary screen 5 are sequentially reduced.
The working principle and the using flow of the utility model are as follows:
when the concrete aggregate screening device is used, concrete in the storage tank 2 is poured onto the primary screen 4, meanwhile, the driving motor 19 is started to drive the eccentric wheel 18 to start rotating, the eccentric wheel 18 drives the eccentric shaft 20 to start moving, the secondary screen 5 is driven to slide back and forth on the screening frame 1, when the secondary screen 5 slides, the primary screen 4 is dragged through the transmission spring 24 between the secondary screen 4, the primary screen 4 and the secondary screen 5 are guaranteed to be always parallel by using the parallel connecting piece, the primary screen 4 simultaneously reciprocates, the concrete screens out aggregates in stages through the primary screen 4 and the secondary screen 5, and the primary screen 4 and the secondary screen 5 are continuously contacted with the cleaning block 12 during screening by arranging the cleaning assembly, so that fine aggregates adhered to the primary screen 4 and the secondary screen 5 and coarse aggregates clamped in meshes are jacked up, and mesh blocking is avoided.
After screening, two hydraulic cylinders 8 close to one side of the guide plate 13 are contracted, so that the screening frame 1 is inclined, then the movable plate 14 is pulled out of the slot 15, then aggregates on the primary screen 4 and the secondary screen 5 can fall into the guide plate 13 and finally fall into different grading receiving hoppers 16, grading of the aggregates is achieved, and secondary recycling is facilitated.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (8)
1. The utility model provides a concrete aggregate sieving mechanism, its characterized in that, including screening frame (1) and storage tank (2), one side fixedly connected with support frame (3) of storage tank (2), support frame (3) fixed mounting is in the top of screening frame (1), be provided with hierarchical screening subassembly on screening frame (1), hierarchical screening subassembly includes primary screen cloth (4) and secondary screen cloth (5), the below of screening frame (1) is provided with first hopper (6), the below of screening frame (1) is provided with elevating system, elevating system includes four pneumatic cylinders (8), four pneumatic cylinders (8) are rectangular array and distribute at four angles of screening frame (1), one side of screening frame (1) is provided with the clearance subassembly.
2. The concrete aggregate screening device according to claim 1, wherein the cleaning assembly comprises a fixing frame (9), the fixing frame (9) is fixedly installed on the screening frame (1), two supporting rods (10) are arranged on the fixing frame (9), the two supporting rods (10) are respectively located on the upper side and the lower side of the secondary screen (5), a combining rod (11) is fixedly connected on the supporting rods (10), a cleaning block (12) is fixedly connected on the combining rod (11), and the top ends of the cleaning blocks (12) are subjected to rounding treatment.
3. A concrete aggregate screening device according to claim 2, wherein the cleaning blocks (12) are provided with a plurality of groups and are distributed on the combining rod (11) in an array, and the top ends of the cleaning blocks (12) are respectively contacted with the bottom ends of the primary screen (4) and the secondary screen (5).
4. The concrete aggregate screening device according to claim 1, characterized in that guide plates (13) are arranged on the screening frame (1), the guide plates (13) are arranged in two, the heights of the guide plates (13) are respectively matched with the heights of the primary screen (4) and the secondary screen (5), movable plates (14) are arranged on one sides, close to the guide plates (13), of the primary screen (4) and the secondary screen (5), slots (15) are formed in the primary screen (4) and the secondary screen (5), the movable plates (14) are located in the slots (15), and a grading receiving hopper (16) is arranged on one side, close to the guide plates (13), of the screening frame (1).
5. A concrete aggregate screening device according to claim 1, characterized in that the screening frame (1) is fixedly connected with a protruding plate (17), the protruding plate (17) is movably connected with an eccentric wheel (18), the protruding plate (17) is provided with a driving motor (19), the driving motor (19) is used for driving the eccentric wheel (18), and the eccentric wheel (18) is movably provided with an eccentric shaft (20).
6. A concrete aggregate screening device according to claim 5, characterized in that the end of the eccentric shaft (20) remote from the eccentric wheel (18) is connected with a secondary screen (5), the secondary screen (5) being in sliding connection with the screening frame (1).
7. A concrete aggregate screening device according to claim 1, characterized in that parallel connection members are symmetrically arranged between the primary screen (4) and the secondary screen (5), the parallel connection members comprise two connection rods (21), the two connection rods (21) are mutually parallel, connection shafts (22) are symmetrically arranged on the connection rods (21), and the connection rods (21) are respectively in sliding connection with the primary screen (4) and the secondary screen (5) through the connection shafts (22).
8. A concrete aggregate screening device according to claim 5, wherein the top end of the side of the secondary screen (5) close to the protruding plate (17) is fixedly connected with an heightening frame (23), and a transmission spring (24) is fixedly connected between the heightening frame (23) and the primary screen (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100199.6U CN220004834U (en) | 2023-05-09 | 2023-05-09 | Concrete aggregate sieving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321100199.6U CN220004834U (en) | 2023-05-09 | 2023-05-09 | Concrete aggregate sieving mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220004834U true CN220004834U (en) | 2023-11-14 |
Family
ID=88694682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321100199.6U Active CN220004834U (en) | 2023-05-09 | 2023-05-09 | Concrete aggregate sieving mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220004834U (en) |
-
2023
- 2023-05-09 CN CN202321100199.6U patent/CN220004834U/en active Active
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| GR01 | Patent grant | ||
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